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| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H |
| 10 | #define _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H |
| 11 | |
| 12 | #include <__config> |
| 13 | #include <__type_traits/integral_constant.h> |
| 14 | #include <__type_traits/is_fundamental.h> |
| 15 | |
| 16 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 17 | # pragma GCC system_header |
| 18 | #endif |
| 19 | |
| 20 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 21 | |
| 22 | #if __has_builtin(__is_compound) |
| 23 | |
| 24 | template <class _Tp> |
| 25 | struct _LIBCPP_NO_SPECIALIZATIONS is_compound : _BoolConstant<__is_compound(_Tp)> {}; |
| 26 | |
| 27 | # if _LIBCPP_STD_VER >= 17 |
| 28 | template <class _Tp> |
| 29 | _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_compound_v = __is_compound(_Tp); |
| 30 | # endif |
| 31 | |
| 32 | #else // __has_builtin(__is_compound) |
| 33 | |
| 34 | template <class _Tp> |
| 35 | struct is_compound : public integral_constant<bool, !is_fundamental<_Tp>::value> {}; |
| 36 | |
| 37 | # if _LIBCPP_STD_VER >= 17 |
| 38 | template <class _Tp> |
| 39 | inline constexpr bool is_compound_v = is_compound<_Tp>::value; |
| 40 | # endif |
| 41 | |
| 42 | #endif // __has_builtin(__is_compound) |
| 43 | |
| 44 | _LIBCPP_END_NAMESPACE_STD |
| 45 | |
| 46 | #endif // _LIBCPP___TYPE_TRAITS_IS_COMPOUND_H |
| 47 |
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